package net.wofly.common.filter;

import org.springframework.stereotype.Component;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 
 * 
 * @author liujianbo
 *
 */
@Component
public class CorsFilter implements Filter {
    
	@Override
    public void doFilter(
            ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
        HttpServletResponse response = (HttpServletResponse) res;
        
        response.setHeader("Access-Control-Allow-Origin", ((HttpServletRequest)req).getHeader("Origin"));
        response.setHeader("Access-Control-Allow-Credentials", "true");
        response.setHeader("Access-Control-Allow-Methods", "POST, GET");
        //response.setHeader("Access-Control-Max-Age", "3600");
        //response.setHeader("Access-Control-Allow-Headers", "Accept, Origin, X-Requested-With, Content-Type, LastModified,Connection,Cookie");
        response.setHeader("Access-Control-Allow-Headers", "Accept, Origin, X-Requested-With, Content-Type, LastModified,Connection,Cookie");
        
        chain.doFilter(req, response);
    }
    
	@Override
    public void init(FilterConfig filterConfig) {
    }
    
	@Override
    public void destroy() {
    }
}
